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Mathematics, 10.11.2021 22:40 feliciagraham14

Gloria can clear the snow from a sidewalk in 60 minutes. Marsha can clear the same area in 30 minutes. How long will it take
them to do the job if they work together?

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Gloria can clear the snow from a sidewalk in 60 minutes. Marsha can clear the same area in 30 minu...

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